CN108162431B - Continuous glass fiber fabric reinforced polyphenylene sulfide composite material and preparation method thereof - Google Patents
Continuous glass fiber fabric reinforced polyphenylene sulfide composite material and preparation method thereof Download PDFInfo
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- CN108162431B CN108162431B CN201711432275.2A CN201711432275A CN108162431B CN 108162431 B CN108162431 B CN 108162431B CN 201711432275 A CN201711432275 A CN 201711432275A CN 108162431 B CN108162431 B CN 108162431B
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- 239000004734 Polyphenylene sulfide Substances 0.000 title claims abstract description 100
- 229920000069 polyphenylene sulfide Polymers 0.000 title claims abstract description 100
- 239000003365 glass fiber Substances 0.000 title claims abstract description 88
- 239000004744 fabric Substances 0.000 title claims abstract description 84
- 239000002131 composite material Substances 0.000 title claims abstract description 56
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000011889 copper foil Substances 0.000 claims abstract description 33
- 239000000835 fiber Substances 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 239000007822 coupling agent Substances 0.000 claims abstract description 13
- 238000005507 spraying Methods 0.000 claims abstract description 8
- 238000010030 laminating Methods 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- LTYMSROWYAPPGB-UHFFFAOYSA-N diphenyl sulfide Chemical compound C=1C=CC=CC=1SC1=CC=CC=C1 LTYMSROWYAPPGB-UHFFFAOYSA-N 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 230000003746 surface roughness Effects 0.000 claims description 3
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 description 10
- 238000003475 lamination Methods 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 238000000926 separation method Methods 0.000 description 4
- 229920002545 silicone oil Polymers 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000011246 composite particle Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
- B29C70/543—Fixing the position or configuration of fibrous reinforcements before or during moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
- B29C70/545—Perforating, cutting or machining during or after moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2081/00—Use of polymers having sulfur, with or without nitrogen, oxygen or carbon only, in the main chain, as moulding material
- B29K2081/04—Polysulfides, e.g. PPS, i.e. polyphenylene sulfide or derivatives thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
- B29K2105/0809—Fabrics
Abstract
The invention provides a preparation method of a continuous fiber fabric reinforced polyphenylene sulfide composite material, which comprises the following steps: step 1) spraying a coupling agent on the surface of the cut glass fiber cloth, and baking for 400 minutes in a baking oven at the temperature of 125 +/-5 ℃; step 2), cutting the polyphenylene sulfide film, and baking for 400 minutes in an oven at the temperature of 100 +/-5 ℃; step 3) overlapping the glass fiber cloth in the step 1) and the polyphenylene sulfide film in the step 2) according to the following structure: and 4) circularly laminating a layer of polyphenylene sulfide film, a layer of glass fiber cloth, a layer of polyphenylene sulfide film, a layer of glass fiber cloth and a layer of polyphenylene sulfide film according to the structure, isolating the laminated structure obtained in the step 3) by adopting copper foil in the step 4), and finally, horizontally placing the laminated structure between two layers of steel plates and placing the laminated structure in a high-temperature laminating machine to obtain the continuous glass fiber cloth reinforced polyphenylene sulfide composite material.
Description
Technical Field
The invention belongs to the field of plastics, and particularly relates to a continuous glass fiber reinforced polyphenylene sulfide composite material and a preparation method thereof.
Background
Polyphenylene sulfide is a special engineering plastic with excellent comprehensive performance. The polyphenylene sulfide has the characteristics of excellent high temperature resistance, corrosion resistance, radiation resistance, flame retardance, balanced physical and mechanical properties, very good dimensional stability, excellent electrical properties and the like, and is widely applied to special engineering plastics after being filled or fiber-reinforced.
For the polyphenylene sulfide composite material reinforced by fiber, for example, patent CN101864169A, the polyphenylene sulfide composite material is compounded by polyphenylene sulfide resin and chopped glass fiber strands modified by the surface of a sizing agent, the method only prepares composite particles, and then products are produced by other process methods, in the examples, the maximum tensile strength is only 189Mpa, and the strength is lower. For example, patent CN106967297A discloses a high content chopped glass fiber reinforced polyphenylene sulfide composite material and a preparation method thereof, the composite material prepared from chopped glass fiber reinforced polyphenylene sulfide is tested, and the tensile strength of the composite material is only 211Mpa under the conditions of the mixture ratio and the method. Further, as in patent CN103173015A, it is also a composite material prepared by using chopped glass fiber reinforced polyphenylene sulfide resin. The composite materials prepared by the similar process method have low mechanical strength, especially low tensile strength, complex process and great environmental pollution.
In addition, the currently adopted release agent can cause the release agent residue in the product, the residual release agent can influence the subsequent processing such as paint spraying, plating and the like, and the influence on the appearance quality of the appearance piece is particularly large.
Disclosure of Invention
In order to overcome the defects of the technical invention, the invention provides a preparation method of a continuous fiber fabric reinforced polyphenylene sulfide composite material, which comprises the following steps:
step 1) spraying a coupling agent on the surface of the cut glass fiber cloth, and baking for 400 minutes in a baking oven at the temperature of 125 +/-5 ℃;
step 2), cutting the polyphenylene sulfide film, and baking for 400 minutes in an oven at the temperature of 100 +/-5 ℃;
step 3) overlapping the glass fiber cloth in the step 1) and the polyphenylene sulfide film in the step 2) according to the following structure: the composite material is characterized by comprising a polyphenylene sulfide film layer, a glass fiber cloth layer, a polyphenylene sulfide film layer, a glass fiber cloth layer and a polyphenylene sulfide film layer, wherein the polyphenylene sulfide film layer, the glass fiber cloth layer and the polyphenylene sulfide film layer are circularly laminated according to the structure, but the outermost layer is required to be the polyphenylene sulfide film layer; the size of the glass fiber cloth is matched with that of the diphenyl sulfide film, and the weight of the glass fiber cloth is 105g/m2～210g/m2(ii) a The thickness of the diphenyl sulfide film is 49-100 um;
step 4) isolating the layer laying structure obtained in the step 3) by adopting copper foil, finally flatly placing the layer laying structure between two layers of steel plates, placing the layer laying structure in a high-temperature laminating machine, heating to 300-320 ℃ at a heating speed of 6 ℃/min, adopting 1-2Mpa in the whole process, finally cooling, discharging air and releasing pressure when the temperature is reduced to 60 ℃, and finally preparing the continuous glass fiber cloth reinforced polyphenylene sulfide composite material; wherein one or two surfaces of the copper foil are mirror effect copper foils, and the copper foil is a rolled copper foil or an electrolytic copper foil; the thickness of the mirror surface copper foil is 10-50 um; the surface roughness Ry of the mirror surface is less than or equal to 2um, and the glossiness is more than or equal to 600. Therefore, the separation effect of the copper foil and the product can be realized, and the problem of release agent residue is avoided.
Preferably, the weight of the glass fiber cloth is 105g/m2～210g/m2(ii) a The thickness of the diphenyl sulfide film is 49-100 um.
The invention also aims to provide a continuous fiber fabric reinforced polyphenylene sulfide composite material, which comprises the following components in parts by weight: 30-50 parts of polyphenylene sulfide; 50-70 parts of glass fiber; 0.1-2 parts of a coupling agent; wherein the glass fiber is E-grade plain glass fiber cloth with the weight of 10-250g/m2(ii) a The polyphenylene sulfide is a polyphenylene sulfide film, and the thickness of the polyphenylene sulfide film is 30-150 mu m; the coupling agent is selected from one or a mixture of two of silane coupling agents KH550 or KH 560.
Preferably, the weight of the glass fiber cloth is 40-220g/m2。
Preferably, the thickness of the polyphenylene sulfide film is 40-100 μm.
Preferably, the glass fibers have a size of 1020 x 1220 mm.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts the method of cross-overlapping the polyphenylene sulfide film and the continuous glass fiber cloth, and then heats and presses to infiltrate the resin into the glass fiber cloth, the method has less equipment investment, simple manufacturing process and less environmental pollution, the content of the glass fiber of the composite material can reach nearly 70 percent, the polyphenylene sulfide with higher strength can be improved with higher strength, simultaneously the toughness and the strength of the composite material can be adjusted according to the application requirement, and different requirements can be met. And products with different grains can be produced according to different grains of the continuous fiber fabric, so that the requirement on the appearance is met.
2. The strength of the obtained continuous fiber fabric reinforced polyphenylene sulfide composite material is obviously enhanced by adopting the long glass fibers;
3. the copper foil is creatively separated and innovatively used for demoulding and releasing the composite material so as to ensure the surface quality of the product and avoid the residue of the release agent.
Drawings
FIG. 1 is a schematic structural diagram of a continuous fiber fabric reinforced polyphenylene sulfide composite material provided in example 3 of the present invention;
FIG. 2 is a schematic structural diagram of a continuous fiber fabric reinforced polyphenylene sulfide composite material provided in example 4 of the present invention;
FIG. 3 is a schematic structural diagram of a continuous fiber fabric reinforced polyphenylene sulfide composite material provided in example 5 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following specific examples:
example 1
(1) The size of the mixture is 1020 by 1220mm, and the weight is 122g/m2Spraying a coupling agent KH560 on the surface of the plain weave glass fiber fabric, and baking for 400 minutes in an oven at the temperature of 125 ℃;
(2) placing the polyphenylene sulfide film with the size of 1020 x 1220mm and the thickness of 100um in a baking oven at 100 ℃ for baking for 400 minutes;
(3) overlapping the polyphenylene sulfide film and the glass fiber fabric according to a cross overlapping method, wherein the outermost layer of the polyphenylene sulfide film has 3 pieces in total, and the glass fiber fabric has 2 pieces;
(4) placing the laminated layers between the mirror surface copper foils;
(5) placing the lamination in the step (4) in the middle of a steel plate, placing the steel plate in a high-temperature flat press, heating to 310 ℃ at a heating speed of 6 ℃/min, keeping the pressure at 1.5Mpa in the whole process, finally cooling to 60 ℃, releasing pressure and opening the die to obtain the continuous glass fiber fabric reinforced polyphenylene sulfide composite material;
the continuous glass fiber fabric reinforced polyphenylene sulfide composite material prepared by the above arrangement has the fiber content of 37.1%, the tensile strength of 128MPa and the tensile modulus of 10.1 Gpa.
Example 2
(1) The size of the mixture is 1020 x 1220mm, and the weight is 165g/m2Spraying a coupling agent KH560 on the surface of the plain weave glass fiber fabric, and baking for 400 minutes in an oven at the temperature of 125 ℃;
(2) placing the polyphenylene sulfide film with the size of 1020 x 1220mm and the thickness of 90um in a baking oven at 100 ℃ for baking for 400 minutes;
(3) overlapping the polyphenylene sulfide film and the glass fiber fabric according to a cross overlapping method, wherein the outermost layer of the polyphenylene sulfide film has 3 pieces in total, and the glass fiber fabric has 2 pieces;
(4) placing the laminated layers between the mirror surface copper foils;
(5) placing the lamination in the step (4) in the middle of a steel plate, placing the steel plate in a high-temperature flat press, heating to 310 ℃ at a heating speed of 6 ℃/min, keeping the pressure at 1.5Mpa in the whole process, finally cooling to 60 ℃, releasing pressure and opening the die to obtain the continuous glass fiber fabric reinforced polyphenylene sulfide composite material;
the continuous glass fiber fabric reinforced polyphenylene sulfide composite material prepared by the above arrangement has the fiber content of 47.3%, the tensile strength of 210MPa and the tensile modulus of 15.3 Gpa.
Example 3
The preparation method of the continuous fiber fabric reinforced polyphenylene sulfide composite material adopts the following settings:
(1) the size of the steel plate is 1020 x 1220mm, and the weight is 210g/m2And 105g/m2Spraying a coupling agent KH560 on the surface of the plain weave glass fiber fabric, and baking for 400 minutes in an oven at the temperature of 125 ℃;
(2) placing the polyphenylene sulfide film with the size of 1020 x 1220mm and the thickness of 49um in a baking oven at 100 ℃ for baking for 400 minutes;
(3) as shown in FIG. 1, the polyphenylene sulfide film 1 and the glass fiber fabric were laminated by a cross-lamination method, wherein the outermost layer of the polyphenylene sulfide film had to have one sheet, 4 sheets in total, and 3 sheets of the glass fiber fabric (210 g/m in total)2Two glass fiber fabrics 2, 105g/m2The glass fiber fabrics 3 are placed one by one in the middle);
(4) placing the laminated layers between the mirror surface copper foils;
(5) placing the lamination in the step (4) in the middle of a steel plate, placing the steel plate in a high-temperature flat press, heating to 310 ℃ at a heating speed of 6 ℃/min, keeping the pressure at 1.5Mpa in the whole process, finally cooling to 60 ℃, releasing pressure and opening the die to obtain the continuous glass fiber fabric reinforced polyphenylene sulfide composite material;
the prepared continuous glass fiber fabric reinforced polyphenylene sulfide composite material has the fiber content of 66.4%, the tensile strength of 353MPa and the tensile modulus of 18.4 Gpa.
Example 4
The preparation method of the continuous fiber fabric reinforced polyphenylene sulfide composite material adopts the following settings:
(1) as shown in FIG. 2, the weight of the steel plate is 1020 x 1220mm and the weight is 210g/m2The surface of the plain weave glass fiber fabric 4 is sprayed with a coupling agent KH560 and is baked in an oven at the temperature of 125 ℃ for 400 minutes;
(2) placing the polyphenylene sulfide film 5 with the size of 1020 x 1220mm and the thickness of 60um in a baking oven at 100 ℃ for baking for 400 minutes;
(3) overlapping the polyphenylene sulfide film and the glass fiber fabric according to a cross overlapping method, wherein the outermost layer of the polyphenylene sulfide film has 4 pieces in total, and the glass fiber fabric has 2 pieces;
(4) placing the laminated layers between the mirror surface copper foils;
(5) placing the lamination in the step (4) in the middle of a steel plate, placing the steel plate in a high-temperature flat press, heating to 310 ℃ at a heating speed of 6 ℃/min, keeping the pressure at 1.5Mpa in the whole process, finally cooling to 60 ℃, releasing pressure and opening the die to obtain the continuous glass fiber fabric reinforced polyphenylene sulfide composite material;
the continuous glass fiber fabric reinforced polyphenylene sulfide composite material prepared by the above arrangement has the fiber content of 56.3%, the tensile strength of 301.7MPa and the tensile modulus of 18 Gpa.
Example 5
(1) As shown in fig. 3, the weight of the steel plate is 1020 x 1220mm and the weight is 210g/m2Plain weave glass fiber fabric 6 and 165g/m2The surface of the plain weave glass fiber fabric 7 is sprayed with a coupling agent KH560 and is baked in an oven at the temperature of 125 ℃ for 400 minutes;
(2) placing the polyphenylene sulfide film 8 with the size of 1020 x 1220mm and the thickness of 70um in a baking oven at 100 ℃ for baking for 400 minutes;
(3) overlapping the polyphenylene sulfide film and the glass fiber fabric according to a cross overlapping method, wherein the outermost layer of the polyphenylene sulfide film has 4 pieces in total, and the glass fiber fabric has 2 pieces;
(4) placing the laminated layers between the mirror surface copper foils;
(5) placing the lamination in the step (4) in the middle of a steel plate, placing the steel plate in a high-temperature flat press, heating to 310 ℃ at a heating speed of 6 ℃/min, keeping the pressure at 1.5Mpa in the whole process, finally cooling to 60 ℃, releasing pressure and opening the die to obtain the continuous glass fiber fabric reinforced polyphenylene sulfide composite material;
the prepared continuous glass fiber fabric reinforced polyphenylene sulfide composite material has the fiber content of 50.3, the tensile strength of 289.5Mpa and the tensile modulus of 17.3 Gpa.
Example 6
(1) The size of the steel plate is 1020 x 1220mm, and the weight is 210g/m2Spraying a coupling agent KH560 on the surface of the plain weave glass fiber fabric, and baking for 400 minutes in an oven at the temperature of 125 ℃;
(2) placing the polyphenylene sulfide film with the size of 1020 x 1220mm and the thickness of 38um in a baking oven at 100 ℃ for baking for 400 minutes;
(3) overlapping the polyphenylene sulfide film and the glass fiber fabric according to a cross overlapping method, wherein the outermost layer of the polyphenylene sulfide film has 4 pieces in total, and the glass fiber fabric has 3 pieces;
(4) placing the laminated layers between the mirror surface copper foils;
(5) placing the lamination in the step (4) in the middle of a steel plate, placing the steel plate in a high-temperature flat press, heating to 310 ℃ at a heating speed of 6 ℃/min, keeping the pressure at 1.5Mpa in the whole process, finally cooling to 60 ℃, releasing pressure and opening the die to obtain the continuous glass fiber fabric reinforced polyphenylene sulfide composite material;
the continuous glass fiber fabric reinforced polyphenylene sulfide composite material prepared by the above arrangement has a fiber content of 75.4%, and due to the fact that the glass fiber content is too high and the resin content is too low, the polyphenylene sulfide resin cannot bond the glass fiber cloth, and the resin content is too small, so that the polyphenylene sulfide resin is difficult to infiltrate into the glass fiber, and a sample cannot be prepared.
Comparative example
One or both surfaces of the copper foil used in examples 1 to 5 are mirror effect copper foils, and the copper foil is a rolled copper foil or an electrolytic copper foil; through tests, the thickness of the mirror copper foil is limited to 10-50 um; and when the surface roughness Ry of the mirror surface is less than or equal to 2um and the glossiness is more than or equal to 600, the separation effect of the copper foil and the product can be realized, and the problem of the residual release agent is avoided, so that the separation effect is difficult to achieve beyond the range.
In addition, the invention also adopts the traditional non-silicone oil release film, the silicone oil release film and the high-temperature release agent to carry out the release test, compared with the mirror surface copper foil release method provided by the embodiment, the result is shown in the table 1,
TABLE 1
The mirror copper foil is adopted for separation, and compared with a non-silicone oil release film, the silicone oil release film and the high-temperature release agent have obvious advantages from the aspects of temperature resistance and release agent.
Test example 1
The continuous glass fiber fabric reinforced polyphenylene sulfide composite materials obtained in the examples 1 to 7 are subjected to performance tests, and the tensile strength is tested according to ISO527-1.2 standard; the bending strength is tested according to ISO178 standard; the heat distortion temperature is tested according to ISO75-1.2 standard; the results are shown in Table 2;
TABLE 2
As can be seen from examples 1, 2, 3, 4, 5 and 6, the glass fiber content is between 50% and 70%, and the mechanical strength of the prepared composite material is very high, but if the glass fiber content is too high, the composite material cannot be prepared, such as example 6. Meanwhile, the embodiment 7 is a patent of the polyphenylene sulfide composite material reinforced by the chopped glass fiber, the mechanical strength of the composite material is obviously lower than that of the composite material of the embodiment 5 with the same glass fiber content, and the composite material has excellent heat resistance. In conclusion, the continuous glass fiber fabric reinforced polyphenylene sulfide composite material has high mechanical property, the performance of the continuous glass fiber fabric reinforced polyphenylene sulfide composite material is obviously higher than that of the chopped glass fiber reinforced polyphenylene sulfide composite material, and the continuous glass fiber fabric reinforced polyphenylene sulfide composite material has excellent heat resistance.
While the preferred embodiments of the present invention have been described in detail, it will be apparent to those skilled in the art that variations may be made in the embodiments and applications without departing from the spirit of the invention, and such variations are intended to be within the scope of the invention.
Claims (5)
1. A preparation method of a continuous fiber fabric reinforced polyphenylene sulfide composite material is characterized by comprising the following steps: the preparation method comprises the following steps:
step 1) spraying a coupling agent on the surface of the cut glass fiber cloth, and baking for 400 minutes in a baking oven at the temperature of 125 +/-5 ℃;
step 2), cutting the polyphenylene sulfide film, and baking for 400 minutes in an oven at the temperature of 100 +/-5 ℃;
step 3) overlapping the glass fiber cloth in the step 1) and the polyphenylene sulfide film in the step 2) according to the following structure: the composite material is characterized by comprising a polyphenylene sulfide film layer, a glass fiber cloth layer, a polyphenylene sulfide film layer, a glass fiber cloth layer and a polyphenylene sulfide film layer, wherein the polyphenylene sulfide film layer, the glass fiber cloth layer and the polyphenylene sulfide film layer are circularly laminated according to the structure, but the outermost layer is required to be the polyphenylene sulfide film layer; wherein the size of the glass fiber cloth is matched with that of the diphenyl sulfide film, and the weight of the glass fiber cloth is 105g/m2～210g/m2(ii) a The thickness of the diphenyl sulfide film is 49-100 um;
step 4) isolating the layer laying structure obtained in the step 3) by adopting copper foil, finally flatly placing the layer laying structure between two layers of steel plates, placing the layer laying structure in a high-temperature laminating machine, heating to 300-320 ℃ at a heating speed of 6 ℃/min, adopting 1-2Mpa in the whole process, cooling, exhausting and relieving pressure when the temperature is reduced to 60 ℃, and separating the copper foil from a product to obtain the continuous glass fiber cloth reinforced polyphenylene sulfide composite material;
wherein one or two surfaces of the copper foil are mirror effect copper foils, and the copper foil is a rolled copper foil or an electrolytic copper foil; the thickness of the mirror surface copper foil is 10-50 um; the surface roughness Ry of the mirror surface is less than or equal to 2um, and the glossiness is more than or equal to 600.
2. The method for preparing continuous fiber fabric reinforced polyphenylene sulfide composite material according to claim 1, wherein the size of the glass fiber cloth and the size of the polyphenylene sulfide film are both 1020 mm by 1220 mm.
3. A continuous fiber fabric reinforced polyphenylene sulfide composite material prepared by the method of claim 1 or 2, wherein: the composite material comprises the following components in parts by weight: 30-50 parts of polyphenylene sulfide; 50-70 parts of glass fiber; 0.1-2 parts of a coupling agent;
wherein the glass fiber is E-grade plain glass fiber cloth with the weight of 10-250g/m2；
The polyphenylene sulfide is a polyphenylene sulfide film, and the thickness of the polyphenylene sulfide film is 40-150 mu m;
the coupling agent is selected from one or a mixture of two of silane coupling agents KH550 or KH 560.
4. The continuous fiber fabric reinforced polyphenylene sulfide composite of claim 3, wherein: the weight of the glass fiber cloth is 47-220g/m2。
5. The continuous fiber fabric reinforced polyphenylene sulfide composite of claim 3, wherein: the thickness of the polyphenylene sulfide film is 40-100 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711432275.2A CN108162431B (en) | 2017-12-26 | 2017-12-26 | Continuous glass fiber fabric reinforced polyphenylene sulfide composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711432275.2A CN108162431B (en) | 2017-12-26 | 2017-12-26 | Continuous glass fiber fabric reinforced polyphenylene sulfide composite material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN108162431A CN108162431A (en) | 2018-06-15 |
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Denomination of invention: A continuous glass fiber fabric reinforced polyphenylene sulfide composite material and its preparation method Effective date of registration: 20231128 Granted publication date: 20200519 Pledgee: Agricultural Bank of China Limited Hangzhou Yuhang Branch Pledgor: ZHEJIANG HUAZHENG NEW MATERIAL GROUP Co.,Ltd. Registration number: Y2023980067733 |
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